Key features are:

Maps
• Built-in online maps (with automatic local storage; road, topo and satellite maps included);
• Built-in online layers (road names and hills shading);
• Get more online maps and layers in one click from the included community map list (Nokia maps, USGS Topo, ...);
• On-board offline maps support (visit our website to get the free map creator MOBAC);
• Memory-Map support (QuickChart .qct maps only, test your maps using the free version first);
• Multiple maps in layers display, with per-map opacity control;
• Advanced SD memory card Map Explorer and Scanner.

Landmarks
• Full GPX support (display/browse/create/edit of waypoints, routes and tracks);
• KML and LOC files support;
• Save and share online locations with other users using Community Landmarks;
• Details, advanced statistics and interactive graphics on various items;
• Time Controller to replay time-tagged tracks;
• GPX Routes and KML Rings creators;
• Advanced SD memory card Landmarks Explorer.

Geolocation / Orientation
• On-map geolocation using GPS or Network;
• Map orientation, compass and target finder;
• Built-in GPS/Barometric Tracker (long tracking capable, running in a separate and light process);
• Barometer support (for compatible devices).

And more:
• Full screen map view;
• Multi-touch zoom;
• Longitude/Latitude and grid coordinates (UTM, USNG, MGRS, OSGB, Irish, CH1903);
• Metric and imperial distance units;